Origin
Brazil, Southern and central Africa
Canada, Southern and central Africa, Italy, Australia, India
Color
Blue, Green, Black
Violet, Brownish, Yellow, Reddish, Pale pink
Streak
White
White
For which Rashi?
Gemini, Sagittarius
Virgo
Planet
Jupiter
Mercury, Jupiter
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.172.69-2.79
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Indistinct, {???} Indistinct
Poor on {0001}
Mohs Hardness
5.55.5-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Weak
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.604-1.6461.607-1.612
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.031-0.0360.003
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Balances digestive system and reduces bloating
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Excellent
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Spiritual Protection